Supporting Granite Overhang Without Corbels

For example if your granite overhangs 12 inches past your 2 x 4 knee wall subtract 2 4 for the desired length of your support bracket.

Supporting granite overhang without corbels. Quartz countertops often do not need support brackets. Should have gone with invisible steel. However the cantilevered portion cannot be more than 1 3 the total width of the countertop. Been doing this for many years without a call back.

Mia standards are 3cm stone with more than 9 of overhang requires support. Final determination on bracket requirements and spacing should be recommended by your fabricator based on the following factors. The length of granite overhang available without support depends on a few factors. Without any additional support solid surface countertop overhangs cannot exceed 6 engineered stone cannot exceed 14 and granite overhangs shouldn t be more than 10 without additional supports.

Most granite fabricators will recommend support brackets on overhangs over 12 however solely based on the overhang amount. The standard overhang for granite countertops is 1 inches 12 inches for an island just like the standards in general. Can you extend the overhang on a kitchen island countertop. Corbels need to be every 24 30 with no more than 6 unsupported and they will interfere with knee space.

3 4 thick granite with a 5 8 or 3 4 plywood subtop will cantilever 12 without problems. If your granite top has a 2 cm thickness we recommend attaching a support system should the overhang exceed 6 inches. The island as done is a safety hazard. The size of your granite support legs and brackets will be based on your overhang.

So we are ok on the first criteria but we exceed the 1 3 criteria by four inches. According to the marble institute of america you can safely overhang granite that is 1 1 4 thick up to 10 without supports. Overhang in granite does not need corbels or steel support up to 12 inches. Granite thickness granite tops with a thickness of 3 cm can have an 8 10 inch overhang without additional supports.

Hidden support brackets for granite marble quartz silestone corian zodiaq recycled glass concrete and butcherblock countertops. However you may need to install supports such as corbels or legs. Considering that granite marble and limestone can have overhangs weighing hundreds of pounds and considering how brittle granite countertops can be granite support brackets are imperative. How to add support brackets to existing countertops.

The original granite bracket are specialists in kitchen countertop support brackets. Use granite countertop support brackets to support countertops with overhanging stone. Shop our countertop supports. In this case an 8 or 10 deep bracket is called for.